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Step 13The critical twist
After the loop-the-loop, we are set to complete the intricate twist of the strip that is necessary for producing the correct type of three-dimensional star point.
For stars that have the same handedness as the one showed in the pictures, The tip of the strip should now be rotated three quarters of a turn counter clockwise. The axis of rotation is orthogonal to the base knot plane.
Or, inspired by the loop-the-loop terminology, after the stunt aircraft has made its loop-the-loop, it should stop dead, turn into a helicopter, then turn 270 degrees to the left.
Hopefully, the many pictures taken from different angles will help you stay on track.
For stars that have the same handedness as the one showed in the pictures, The tip of the strip should now be rotated three quarters of a turn counter clockwise. The axis of rotation is orthogonal to the base knot plane.
Or, inspired by the loop-the-loop terminology, after the stunt aircraft has made its loop-the-loop, it should stop dead, turn into a helicopter, then turn 270 degrees to the left.
Hopefully, the many pictures taken from different angles will help you stay on track.
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